CMFCToolBarMenuButton::IsTearOffMenu
Indicates whether the drop-down menu has a tear-off bar.
virtual BOOL IsTearOffMenu() const;
Return Value
TRUE if the toolbar menu button has a tear-off bar; otherwise FALSE.
Remarks
To enable the tear-off feature and set the tear-off bar ID, call CMFCToolBarMenuButton::SetTearOff.
Requirements
Header: afxtoolbarmenubutton.h